Shopify POS Inventory Allocation When Adding Products to Cart: Verification Results

Verified Shopify POS inventory allocation when adding items to the cart, and the conditions under which over-ordering and negative inventory occur.

CS-Cart Pre Order Add-on for Handling Pre-Orders

Testing the CS-Cart Pre Order add-on on a demo site to see how pre-orders are handled end-to-end.

[EC] Definition of remote islands and shipping fee determination processing

Notes on Japan's remote-island definition and Yamato Transport's shipping fee policy for EC sites.

Picking a TypeScript OSS E-Commerce Platform in 2026 — Medusa v2, Vendure v3, and Where EverShop Fits

After several years of headless and composable consolidation, the realistic shortlist for TypeScript-native OSS e-commerce platforms in 2026 has collapsed to Medusa v2 and Vendure v3, with EverShop as a lightweight integrated alternative. Saleor (Python core) and Next.js Commerce (storefront framework without an EC API) sit outside the TypeScript-native scope used here; Reaction Commerce is discontinued. This post compares the three on license, architecture, and AI / Agentic Commerce readiness, then maps the choices to use cases.

Research on Wix eCommerce Advantages and Disadvantages

A look at Wix eCommerce's pros and cons, with BASE, STORES, and Shopify as recommended alternatives.